Remember, all signals are analog, even those that pose as digital. Ever hear of signal integrity? Now probably not given the pedesctrian speeds you work at. You should come to DesignCon, a digital deisgn conference that's really all analog.

I suggest downloading a tone generator app, which hopefully will give you something close to a sine wave (another analog thing). I suggest checking the output on an oscilloscope set to give you at FFT (fast Fourier Transform for you digital folk). You should see the fundamental tone but you may see harmonics. Hmm maybe I can write an article comparing tone generator apps.

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My Mom the Radio StarMax MaxfieldPost a commentI've said it before and I'll say it again -- it's a funny old world when you come to think about it. Last Friday lunchtime, for example, I received an email from Tim Levell, the editor for ...

A Book For All ReasonsBernard Cole1 CommentRobert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...